November 1998
Intermediate to advanced
220 pages
7h 42m
English

“Tumacacori Mission, Tubac, AZ, 1991,” by Russ Gilbert. Courtesy of the photographer.
Interpreting the Curves for Working Data
Drawing and Analyzing Paper Curves
The finished paper test strips that you prepared in Chapter 6 should resemble those shown in Figure 7–1. Set up your densitometer in its reflection density mode, then read the steps of each strip, translate the meter readings into density numbers, and record them with the identifying numbers of the steps themselves. Prepare a characteristic curve graph as you did in the exercises in Chapter 4, calibrate its x-axis with the original step tablet step numbers, and proceed to plot your ...